Trail Running calendar near London 2026-2027

A guided *10 km* trail run around Silent Pool in Albury, Surrey, using sections of the North Downs Way and Netley Heath and passing film locations in Shere. Events run at sunset or at night with headtorch in the darker months, led by an exp..

Experience an autumn trail run through the footpaths and bridleways of Boreham. This 10k event features a sunset start with a scenic off road route and a seasonal championship point system for participants.

A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.

A multi-distance race series around Bewl Water near Lamberhurst, Kent, on wooded trails and quiet country lanes. Available distances include 10 km, half marathon, marathon and a 50 km ultra with measured GPX routes and published time limits..

A multi-distance trek and trail event along the Thames from Putney Bridge to Henley on 12/13 Sept 2026, offering 100 km to 10 km options with regular rest stops, catering, medical support and GPS tracking.

A Backyard Ultra at High Lodge in Thetford Forest with full open ended racing plus new 6 hour and 12 hour reduced cost options. Runners complete hourly laps of 4.167 miles on a wide, mostly flat forest route with chip timing and on site sup..

Three fell races around Ventnor on the Isle of Wight offer routes from 3.8 km to 21 km with notable ascent. The series follows FRA rules, has entry limits and also serves as the SEAA Fell Running Championships.

Three multi-terrain races from Shere Recreation Ground through the Surrey Hills, offering timed 10k, 21k and 42k courses with marked routes, marshals, aid stations, finishers' medals and an Event Village.

Ventnor Horseshoe on Sat 12 Sep 2026 offers a scenic but testing 12 km fell course around Ventnor with 443 m of climb. Part of the Isle of Wight Fell Series, it is perfect for runners seeking a tough coastal hill challenge.

Start the IOW Fell Running Series with St Boniface Fell in Ventnor on Sat 12 Sep 2026, a punchy 3.9 km race with 235 m of climbing across scenic Isle of Wight terrain. Pre entry or on the day entries welcome.

A one-day ultramarathon on 12 September 2026 with 10, 30 and 50 mile routes along the Thames. Organised by c2c to raise funds for Prostate Cancer UK, the event features marked routes, checkpoints and medical support.

An 81 mile single loop ultra on the Bunyan Way in Bedfordshire with a 24 hour cutoff, 1,219 metres of climb and seven aid stations. The runnable country route features live tracking, medical cover and a bespoke finisher medal and T shirt.

A trail running event on 13th September 2026 in Seale, based at Myrtle’s Courtyard, with marathon and half marathon routes along the Pilgrims Way and North Downs Way that raise funds for local charities.

Trail running in Rye, East Sussex with 30k and 15k routes through the High Weald Area of Outstanding Natural Beauty. The event features varied terrain, about 1500 ft of climb and supports The Oliver Curd Trust.

Trail races in Slinfold on 13 September 2026 with 10k, 5k and children's races through West Sussex countryside; chip-timed events that raise funds for local community causes.

Tackle the Wroxall Round on 13 September 2026, a scenic 21.1 km fell run around Ventnor with about 487 m of ascent. Open to adults, with on the day entries and team places, this is race 3 of the Isle of Wight Fell Running Series.

Experience a scenic trail run through the beautiful Hertfordshire countryside starting in the village of Sandridge. This event features a 10k route near the historic city of St Albans with a finish at the local primary school.

TrailFest at Holdenby House offers traffic free woodland running across four distances from 10K to 50 km, held on estate trails with free grass parking and specific rules on dogs pacers and spectators.

An annual trail event on rough tracks around Ashtead Common offering a 10K and a 2k kids run while raising funds for local charities. The undulating course forbids earphones and encourages low impact travel to the nearby train station.

Experience an annual fun run at Barton Abbey in Oxfordshire featuring 10k and 5k courses on undulating terrain. Join several race distances or a flexible family fun run to support the maintenance of Steeple Barton Church.